import time

def bubble_sort(nums)
    swapped= True
    while swapped:
        swapped =False
        for i in range(len(nums)-1):
            if nums [i] > nums[i+1]:
                nums[i], nums[i + 1]=nums [i+1],nums[i]
                swapped=True

def read2list(filename):
    file= open(filename,'r')
    data= file.readlines()
    return data

m1=read2list("m1_sorted.txt")
m2=read2list("m2_reverse.txt")
m3=read2list("m3_shuffle.txt")

t_start=time.time()
bubble_sort(m1)
t_finish=time.time()
print("m1_sorted",round((t_finish-t_start)*1000),"milliseconds")

t_start=time.time()
bubble_sort(m2)
t_finish=time.time()
print("m2_reverse",round((t_finish-t_start)*1000),"milliseconds")

t_start=time.time()
bubble_sort(m3)
t_finish=time.time()
print("m3_reverse",round((t_finish-t_start)*1000),"milliseconds")